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“If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008

Meghana R. Ransing, Rajesh Ransing Orcid Logo

Proceedings of the 61nd Annual Technical Conference on Investment Casting, Covington, KY, USA, October 5-8, 2014

Swansea University Author: Rajesh Ransing Orcid Logo

Abstract

The 7Epsilon penalty matrix approach visualizes factor-response in-process data so that variation in process settings (i.e. measurable factors) that are correlated to variation in response can be identified. The method is applicable to any multivariate data analysis project for root cause reasoning...

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Published in: Proceedings of the 61nd Annual Technical Conference on Investment Casting, Covington, KY, USA, October 5-8, 2014
Published: 2014
Online Access: https://www.investmentcasting.org/paper_detail.asp?PaperID=999
URI: https://cronfa.swan.ac.uk/Record/cronfa24537
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spelling 2016-08-04T14:10:12.5829447 v2 24537 2015-11-19 “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008 0136f9a20abec3819b54088d9647c39f 0000-0003-4848-4545 Rajesh Ransing Rajesh Ransing true false 2015-11-19 MECH The 7Epsilon penalty matrix approach visualizes factor-response in-process data so that variation in process settings (i.e. measurable factors) that are correlated to variation in response can be identified. The method is applicable to any multivariate data analysis project for root cause reasoning to develop new hypotheses, identify and carry out corrective actions for reduction in variation of response. It can be used to analyze in-process data for investment casting process including all of its sub processes like wax pattern making, shell making, melting, casting, heat treatment etc. The paper describes how an investment casting foundry benefitted by implementing the 7steps of the 7Epsilon methodology for continual process improvement as per the requirements of the clause 8 of the ISO9001:2008 standard. Further opportunities have also been identified for process improvement case studies. Authors have realized that the foundry industry, whether its aerospace or automotive, investment casting or sand casting, needs to address a cultural issue regarding reusing of process knowledge and in-process data in decision making for continual process improvement projects. The role of trade associations as well as a pathway for operator training within 7Epsilon continual process improvement philosophy has been discussed. It is hoped that the panel discussions and the conference environment will provide useful feedback/insights for all stakeholders. Conference Paper/Proceeding/Abstract Proceedings of the 61nd Annual Technical Conference on Investment Casting, Covington, KY, USA, October 5-8, 2014 31 12 2014 2014-12-31 https://www.investmentcasting.org/paper_detail.asp?PaperID=999 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2016-08-04T14:10:12.5829447 2015-11-19T09:45:07.1186673 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Meghana R. Ransing 1 Rajesh Ransing 0000-0003-4848-4545 2 0024537-19112015094659.pdf 7Epsilon_investment_casting_case_study_to_satisfy_requirements_of_clause_6-1-2_and_7-1-6_of_ISO9001_2015_ICI2014paper.pdf 2015-11-19T09:46:59.9900000 Output 990472 application/pdf Accepted Manuscript true 2015-11-18T00:00:00.0000000 false
title “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
spellingShingle “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
Rajesh Ransing
title_short “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
title_full “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
title_fullStr “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
title_full_unstemmed “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
title_sort “If Only My Foundry Knew What it Knows ...”: A 7Epsilon Perspective on Root Cause Analysis and Corrective Action Plans for ISO9001:2008
author_id_str_mv 0136f9a20abec3819b54088d9647c39f
author_id_fullname_str_mv 0136f9a20abec3819b54088d9647c39f_***_Rajesh Ransing
author Rajesh Ransing
author2 Meghana R. Ransing
Rajesh Ransing
format Conference Paper/Proceeding/Abstract
container_title Proceedings of the 61nd Annual Technical Conference on Investment Casting, Covington, KY, USA, October 5-8, 2014
publishDate 2014
institution Swansea University
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
url https://www.investmentcasting.org/paper_detail.asp?PaperID=999
document_store_str 1
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description The 7Epsilon penalty matrix approach visualizes factor-response in-process data so that variation in process settings (i.e. measurable factors) that are correlated to variation in response can be identified. The method is applicable to any multivariate data analysis project for root cause reasoning to develop new hypotheses, identify and carry out corrective actions for reduction in variation of response. It can be used to analyze in-process data for investment casting process including all of its sub processes like wax pattern making, shell making, melting, casting, heat treatment etc. The paper describes how an investment casting foundry benefitted by implementing the 7steps of the 7Epsilon methodology for continual process improvement as per the requirements of the clause 8 of the ISO9001:2008 standard. Further opportunities have also been identified for process improvement case studies. Authors have realized that the foundry industry, whether its aerospace or automotive, investment casting or sand casting, needs to address a cultural issue regarding reusing of process knowledge and in-process data in decision making for continual process improvement projects. The role of trade associations as well as a pathway for operator training within 7Epsilon continual process improvement philosophy has been discussed. It is hoped that the panel discussions and the conference environment will provide useful feedback/insights for all stakeholders.
published_date 2014-12-31T03:29:08Z
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